{"product_id":"ignition-key-switch-panel-fits-yamaha-outboard-2-stroke-4-stroke-replaces-704-82570-08-00-704-82570-12-00-704-82570-01-00","title":"Ignition Key Switch Panel – Fits Yamaha Outboard 2-stroke 4-stroke (Replaces 704-82570-08-00, 704-82570-12-00, 704-82570-01-00)","description":"\u003cstyle\u003e\n  .ss-table-wrap { overflow-x:auto; -webkit-overflow-scrolling:touch; }\n  table.ss-table { width:100%; border-collapse:collapse; min-width:640px; }\n  table.ss-table th, table.ss-table td {\n    padding:10px 12px; border:1px solid #e5e7eb; text-align:left; vertical-align:top;\n  }\n  table.ss-table th {\n    white-space:nowrap;\n    word-break:normal;\n    letter-spacing:normal;\n    font-weight:600;\n    background:#f8fafc;\n  }\n  @media (max-width:480px){\n    table.ss-table th, table.ss-table td { padding:8px 10px; font-size:14px; }\n  }\n\u003c\/style\u003e\n\n\u003ch2\u003eProduct Details\u003c\/h2\u003e\n\u003cp\u003eThis \u003cstrong\u003eIgnition Key Switch Panel\u003c\/strong\u003e is an aftermarket replacement designed for Yamaha 2-stroke and 4-stroke mechanical shift outboard motors equipped with a 10-pin wiring harness. Engineered to match OEM specifications, it provides reliable engine start and stop control for single-engine outboard applications.\u003c\/p\u003e\n\u003cp\u003eThis switch assembly directly replaces Yamaha OEM part numbers 704-82570-12-00, 704-82570-08-00, and 704-82570-01-00.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSimple plug-and-play installation with no wire splicing required\u003c\/li\u003e\n\u003cli\u003eConstructed from durable metal and plastic materials for long-term reliability\u003c\/li\u003e\n\u003cli\u003eIncludes lanyard with emergency stop function for operator safety\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003ePart Number Matrix\u003c\/h2\u003e\n\u003cp\u003eUse this matrix to confirm equivalent references across OEM and aftermarket.\u003c\/p\u003e\n\u003cdiv class=\"ss-table-wrap\"\u003e\n  \u003ctable class=\"ss-table\" aria-label=\"Part Number Matrix\"\u003e\n    \u003cthead\u003e\n      \u003ctr\u003e\n        \u003cth\u003eBrand\u003c\/th\u003e\n        \u003cth\u003ePart Number\u003c\/th\u003e\n        \u003cth\u003eNotes\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eYamaha\u003c\/td\u003e\n        \u003ctd\u003e704-82570-12-00\u003c\/td\u003e\n        \u003ctd\u003ePrimary OEM reference\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eYamaha\u003c\/td\u003e\n        \u003ctd\u003e704-82570-08-00\u003c\/td\u003e\n        \u003ctd\u003eSuperseded interchange\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eYamaha\u003c\/td\u003e\n        \u003ctd\u003e704-82570-01-00\u003c\/td\u003e\n        \u003ctd\u003eSuperseded interchange\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eEngine \u0026amp; Model Compatibility\u003c\/h2\u003e\n\u003cp\u003eConfirm your engine model\/year in the table below.\u003c\/p\u003e\n\u003cdiv class=\"ss-table-wrap\"\u003e\n  \u003ctable class=\"ss-table\" aria-label=\"Engine \u0026amp; Model Compatibility\"\u003e\n    \u003cthead\u003e\n      \u003ctr\u003e\n        \u003cth\u003eBrand\u003c\/th\u003e\n        \u003cth\u003eEngine Type\u003c\/th\u003e\n        \u003cth\u003eStroke\u003c\/th\u003e\n        \u003cth\u003eNotes\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eYamaha\u003c\/td\u003e\n        \u003ctd\u003eOutboard\u003c\/td\u003e\n        \u003ctd\u003e2-stroke\u003c\/td\u003e\n        \u003ctd\u003eMechanical shift, 10-pin wiring harness\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eYamaha\u003c\/td\u003e\n        \u003ctd\u003eOutboard\u003c\/td\u003e\n        \u003ctd\u003e4-stroke\u003c\/td\u003e\n        \u003ctd\u003eMechanical shift, 10-pin wiring harness\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eTechnical Specs\u003c\/h2\u003e\n\u003cdl\u003e\n  \u003cdt\u003eCondition\u003c\/dt\u003e\n  \u003cdd\u003e100% Brand New\u003c\/dd\u003e\n  \u003cdt\u003eMaterial\u003c\/dt\u003e\n  \u003cdd\u003eMetal + Plastic\u003c\/dd\u003e\n  \u003cdt\u003eColor\u003c\/dt\u003e\n  \u003cdd\u003eBlack + Red\u003c\/dd\u003e\n  \u003cdt\u003ePanel Size\u003c\/dt\u003e\n  \u003cdd\u003e116mm × 70mm (4.57\" × 2.8\")\u003c\/dd\u003e\n  \u003cdt\u003eLanyard Length (Extended)\u003c\/dt\u003e\n  \u003cdd\u003eApprox. 135cm (53.2\")\u003c\/dd\u003e\n  \u003cdt\u003ePackage Weight\u003c\/dt\u003e\n  \u003cdd\u003eApprox. 370g\u003c\/dd\u003e\n  \u003cdt\u003eEngine Position\u003c\/dt\u003e\n  \u003cdd\u003eOutboard\u003c\/dd\u003e\n  \u003cdt\u003eWiring Harness\u003c\/dt\u003e\n  \u003cdd\u003e10-pin connector\u003c\/dd\u003e\n  \u003cdt\u003eEngine Type Compatibility\u003c\/dt\u003e\n  \u003cdd\u003e2-stroke and 4-stroke mechanical shift\u003c\/dd\u003e\n\u003c\/dl\u003e\n\n\u003ch2\u003eWhat's in the Box\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e1×\u003c\/strong\u003e Key Switch Panel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1×\u003c\/strong\u003e Lanyard\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2×\u003c\/strong\u003e Keys\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e4×\u003c\/strong\u003e Mounting Screws\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n\u003col\u003e\n\u003cli\u003eDisconnect the battery and ensure the engine is completely off before beginning installation.\u003c\/li\u003e\n\u003cli\u003eRemove the existing ignition switch panel by unscrewing the mounting hardware and carefully disconnecting the 10-pin wiring harness.\u003c\/li\u003e\n\u003cli\u003eAlign the new switch panel in the mounting location and verify that the 10-pin connector is accessible.\u003c\/li\u003e\n\u003cli\u003ePlug the 10-pin connector from the engine harness into the back of the new switch panel until it clicks securely into place.\u003c\/li\u003e\n\u003cli\u003eUse the four included mounting screws to secure the panel to the mounting surface, ensuring a snug fit.\u003c\/li\u003e\n\u003cli\u003eAttach the lanyard to the kill switch clip on the panel and test the emergency stop function by gently pulling the lanyard.\u003c\/li\u003e\n\u003cli\u003eReconnect the battery and insert the key to test the ignition function in all positions (Off, On, Start).\u003c\/li\u003e\n\u003cli\u003eConfirm that the engine starts smoothly and the emergency stop lanyard activates the kill switch when pulled.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch2\u003eTroubleshooting \u0026amp; FAQ\u003c\/h2\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eHow do I know if my outboard has a 10-pin wiring harness?\u003c\/summary\u003e\n  \u003cp\u003eCheck the connector on your existing ignition switch or consult your engine's service manual. Yamaha mechanical shift outboards typically use a 10-pin connector for the key switch. If you're uncertain, contact us with your engine model and serial number for confirmation.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eWill this work on remote control boxes?\u003c\/summary\u003e\n  \u003cp\u003eYes, this switch panel is designed for installation on remote control boxes or dash-mounted applications for single-engine Yamaha outboards with mechanical shift and a 10-pin harness.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eThe key turns but the engine won't start—what should I check?\u003c\/summary\u003e\n  \u003cp\u003eFirst, ensure the 10-pin connector is fully seated and locked. Verify that the lanyard is attached and the kill switch is not activated. Check battery connections and fuses. If the problem persists, inspect the wiring harness for corrosion or damage.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eCan I use this on a 2-stroke and a 4-stroke motor?\u003c\/summary\u003e\n  \u003cp\u003eYes, this switch panel is compatible with both Yamaha 2-stroke and 4-stroke mechanical shift outboard motors equipped with the appropriate 10-pin wiring harness.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eWhat is the difference between the three OEM part numbers listed?\u003c\/summary\u003e\n  \u003cp\u003e704-82570-12-00, 704-82570-08-00, and 704-82570-01-00 are superseded equivalents used across different production years. All are functionally identical and interchange with each other.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eHow often should the ignition switch be replaced?\u003c\/summary\u003e\n  \u003cp\u003eIgnition switches typically last many years under normal use. Replace if you experience intermittent starting, difficulty turning the key, corrosion inside the switch housing, or failure to engage the starter or kill switch.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eOEM vs. Aftermarket?\u003c\/summary\u003e\n  \u003cp\u003eThis listing is an aftermarket replacement (not OEM). Built to OEM-level specifications with comparable materials. Manufactured in an ISO 9002 facility, batch-inspected for consistency.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eShipping speed \u0026amp; cost\u003c\/summary\u003e\n  \u003cp\u003eWe ship worldwide quickly—typical transit 5–15 days. Standard shipping is free; expedited options appear at checkout where available.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eWarranty \u0026amp; returns\u003c\/summary\u003e\n  \u003cp\u003eCovered by a 1-year warranty against manufacturing defects under normal use. If issues arise, contact support with your order details. Returns are accepted within our standard window (unused \u0026amp; in original condition). See our policy page or reach out for instructions.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003ch2\u003eSafety \u0026amp; Important Info\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eVerify images\/specifications against your original part. If anything differs—even if your model appears compatible—do not purchase.\u003c\/li\u003e\n\u003cli\u003eThis is an aftermarket replacement, not an OEM component.\u003c\/li\u003e\n\u003cli\u003eProfessional installation is recommended for safety and performance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eAbout Sea Sierra\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003ePro-Grade Standards — We supply marine parts engineered to OEM-level tolerances and tested for real-world conditions.\u003c\/li\u003e\n\u003cli\u003eFast Global Fulfillment — Free standard delivery to most regions in 5–15 days.\u003c\/li\u003e\n\u003cli\u003eManufacturer-Direct Value — Fair pricing without compromising on materials or QC.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"SeaSierra","offers":[{"title":"Default Title","offer_id":51025816781115,"sku":"24SP423","price":42.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/8673\/8747\/files\/12_a9c84e29-7908-4818-8faa-c94cd8115698.jpg?v=1772959702","url":"https:\/\/seasierra.com\/products\/ignition-key-switch-panel-fits-yamaha-outboard-2-stroke-4-stroke-replaces-704-82570-08-00-704-82570-12-00-704-82570-01-00","provider":"SeaSierra","version":"1.0","type":"link"}